llvm-project/llvm/test/C++Frontend/2004-09-27-CompilerCrash.cpp

// RUN: %llvmgxx -S %s -o - | llvm-as -f -o /dev/null

struct Pass {} ;
template<typename PassName>
Pass *callDefaultCtor() { return new PassName(); }

void foo(Pass *(*C)());

#include <string>

bool foo(std::string &X) {
  return X.empty();
}